Home / 369,246.18-509,560.20-199,480.32

Finding the Fourth Proportional to 369,246.18, 509,560.20 and 199,480.32

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Solution

The fourth proportional to 369,246.18, 509,560.20 and 199,480.32 is: 275,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,246.18 : 509,560.20 = 199,480.32 : x
  2. Step 2: Convert to fraction form
    369,246.18/509,560.20 = 199,480.32/x
  3. Step 3: Cross multiply
    369,246.18x = 509,560.20 × 199,480.32
  4. Step 4: Simplify right side
    369,246.18x = 101,647,231,755.26
  5. Step 5: Solve for x
    x = 101,647,231,755.26/369,246.18
  6. Step 6: Final answer
    x = 275,283.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.